Flow price: --
0773f54ef18cadbfeb9c9a56b76bc71d6fb28319ae4f9a66e5cd44e2cc9c791d

Transaction

Hash: 0773f54ef18cadbfeb9c9a56b76bc71d6fb28319ae4f9a66e5cd44e2cc9c791d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0773f54ef18cadbfeb9c9a56b76bc71d6fb28319ae4f9a66e5cd44e2cc9c791d:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0773f54ef18cadbfeb9c9a56b76bc71d6fb28319ae4f9a66e5cd44e2cc9c791d
Status:
ERROR
Block height:
39832369
Block id:
137c89ad14b4ae3e7cd4b85e73355ff70d09eb1925bfc51a9cd7b824e59c5d86
Timestamp:
Thursday 27 October 2022 at 22:40:19 UTC
()
Proposer:
Authorizers:
Gas used:
49